CN212383333U - Methyl siloxane dehydration and impurity removal equipment - Google Patents
Methyl siloxane dehydration and impurity removal equipment Download PDFInfo
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- CN212383333U CN212383333U CN202020909551.0U CN202020909551U CN212383333U CN 212383333 U CN212383333 U CN 212383333U CN 202020909551 U CN202020909551 U CN 202020909551U CN 212383333 U CN212383333 U CN 212383333U
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- separator
- methyl siloxane
- purification
- dehydration
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- 239000012535 impurity Substances 0.000 title claims abstract description 91
- -1 Methyl siloxane Chemical class 0.000 title claims abstract description 74
- 230000018044 dehydration Effects 0.000 title claims abstract description 49
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 49
- 238000000746 purification Methods 0.000 claims abstract description 128
- 208000005156 Dehydration Diseases 0.000 claims abstract description 48
- 238000003860 storage Methods 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 238000005070 sampling Methods 0.000 description 19
- 239000000047 product Substances 0.000 description 15
- 238000007599 discharging Methods 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000003825 pressing Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- YGZSVWMBUCGDCV-UHFFFAOYSA-N chloro(methyl)silane Chemical compound C[SiH2]Cl YGZSVWMBUCGDCV-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The utility model discloses a methyl siloxane dehydration edulcoration equipment, include: the cone bottom storage tank is used for mixing and standing a methyl siloxane raw material; the first purification separator is used for primary dehydration and impurity removal; the second purification separator is used for secondary dehydration and impurity removal; and a microporous filter for filtering mechanical impurities; the discharge port of the cone bottom storage tank is connected with the feed inlet of the first purification separator through a siphon structure pipeline, the discharge port of the first purification separator is connected with the feed inlet of the second purification separator through a pipeline, the discharge port of the second purification separator is connected with the feed inlet of the microporous filter through a pipeline, and the discharge port of the microporous filter is connected with the cone bottom storage tank through a pipeline. The utility model provides a methyl siloxane dehydration edulcoration equipment is simple easy to operate, has reduced the energy consumption, and product quality is good, is fit for industrial production.
Description
Technical Field
The utility model relates to an organic silicon separation and purification field especially relates to a methyl siloxane dehydration edulcoration equipment.
Background
At present, the mode of discharging materials from a cone bottom storage tank is commonly adopted at home and abroad to remove impurities and dehydrate methyl siloxane, as shown in figure 1, a methyl siloxane raw material is kept still in a cone bottom storage tank a and then discharged into water and impurities through a bottom liquid outlet b, and the obtained product methyl siloxane is used as low-quality siloxane to be returned to a system for treatment or sold at low price again, so that the energy consumption of the whole system is improved, and valuable materials are changed into low-value materials, and the value of the low-cost siloxane is reduced.
Because can deposit a certain amount methyl siloxane material in the pipeline of awl end storage tank to and arrange the material in-process because of the velocity of flow is slow excessively, cause the fluid can not effectively take out many factors such as mechanical impurity, traditional awl end storage tank is arranged the material and is dewatered edulcoration mode and can not effectively get rid of mechanical impurity and water in the methyl siloxane product. As time is prolonged, excessive water and mechanical impurities are accumulated in the pipeline of the cone bottom storage tank, and the quality of the methyl siloxane product is influenced.
Therefore, a process is urgently needed to solve the problems, and the methyl siloxane product is fully subjected to impurity removal and dehydration, so that the product quality is improved, the system consumption is reduced, and the economic benefit is created.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a methyl siloxane dehydration edulcoration equipment that the energy consumption is low, product quality is good to prior art's defect.
The utility model provides a methyl siloxane dehydration edulcoration equipment, include: the cone bottom storage tank is used for mixing and standing a methyl siloxane raw material; the first purification separator is used for primary dehydration and impurity removal; the second purification separator is used for secondary dehydration and impurity removal; and a microporous filter for filtering mechanical impurities; the discharge port of the cone bottom storage tank is connected with the feed inlet of the first purification separator through a siphon structure pipeline, the discharge port of the first purification separator is connected with the feed inlet of the second purification separator through a pipeline, the discharge port of the second purification separator is connected with the feed inlet of the microporous filter through a pipeline, and the discharge port of the microporous filter is connected with the cone bottom storage tank through a pipeline.
Further, dense spiral feeding pipes are arranged inside the first purification separator and the second purification separator.
Furthermore, the first purification separator and the second purification separator are both provided with sight glasses and used for dehydrating and removing impurities according to the layering condition of methylsiloxane and water.
Furthermore, gas pressurizing openings are formed in the first purification separator and the second purification separator.
Furthermore, liquid outlets are arranged at the bottoms of the first purification separator, the second purification separator and the microporous filter.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by utilizing the static equilibrium and the siphon principle, the raw material in the cone bottom storage tank can be conveyed to the first purification separator under the condition of not consuming power, thereby reducing the energy consumption of the system.
(2) The first purification separator and the second purification separator are used for two-stage impurity removal and dehydration, and the first purification separator and the second purification separator are used for accelerating the separation effect by using the cyclone separation principle, so that the final product quality improvement effect is remarkable, and the method is suitable for industrial production.
Drawings
FIG. 1 is a schematic diagram of a prior art process flow;
FIG. 2 is a schematic view of a process flow of methyl siloxane dehydration and impurity removal provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a first purification separator provided in an embodiment of the present invention;
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 2 and 3, an embodiment of the present invention provides a methyl siloxane dewatering and impurity removing apparatus, including: a cone bottom storage tank 1 for mixing and standing a methyl siloxane raw material; the first purification separator 2 is used for primary dehydration and impurity removal; the second purification separator 3 is used for secondary dehydration and impurity removal; and a microporous filter 4 for filtering mechanical impurities; the discharge gate of awl end storage tank 1 passes through siphon structure pipe connection with the feed inlet of first purification separator 2, and the discharge gate of first purification separator 2 passes through pipe connection with the feed inlet of second purification separator 3, and the discharge gate of second purification separator 3 passes through pipe connection with the feed inlet of microporous filter 4, and the discharge gate of microporous filter 4 passes through pipe connection with awl end storage tank 1. It should be noted that the specific structure of the siphon structure pipeline connecting the conical bottom storage tank 1 and the first purification separator 2 is the conventional design in the art, and will not be described herein again, as long as it is ensured that the methyl siloxane feedstock in the conical bottom storage tank 1 is input to the first purification separator 2 by means of siphon.
Because the discharge gate of awl end storage tank 1 passes through siphon structure pipe connection with the feed inlet of first purification separator 2, the utility model discloses utilize static equilibrium and siphon principle to carry the methyl siloxane raw materials to first purification separator 2, consequently practiced thrift the power consumption that methyl siloxane carried.
Preferably, the first purification separator 2 and the second purification separator 3 are internally provided with dense spiral feeding pipes 5, and the oil-water separation effect, namely the separation of the methyl siloxane from water and mechanical impurities, is accelerated by using the cyclone separation principle.
In addition, first purification separator 2 still installs sight glass 6 with second purification separator 3, and sight glass 6 specifically installs on first purification separator 2 and 3 lateral walls of second purification separator for carry out the dehydration edulcoration according to the layering condition of methylsiloxane and water, can fully guarantee the validity of edulcoration.
Further, a gas charging port 7 is provided on the first purification separator 2 and the second purification separator 3 to perform gas charging through the gas charging port to pressure-feed the methyl siloxane material.
Further, the bottoms of the first purifying separator 2, the second purifying separator 3 and the microporous filter 4 are all provided with liquid discharge ports for discharging moisture and mechanical impurities.
On the other hand, the utility model provides a methyl siloxane dehydration edulcoration technology adopts foretell methyl siloxane dehydration edulcoration equipment, including following step:
(1) putting the methyl siloxane raw material into a cone bottom storage tank 1, fully mixing, standing, and sending the methyl siloxane raw material into a first purification separator 2 from the cone bottom storage tank 1 according to the static equilibrium and siphon principles;
preferably, the methyl siloxane raw material is placed in the cone bottom storage tank 1 for sufficient mixing time of 4 hours and standing time of 8 hours, so that the methyl siloxane is gradually separated from water and mechanical impurities in the standing process.
(2) Accelerating separation by a first purification separator 2, standing, and discharging water and mechanical impurities from the bottom of the first purification separator 2 to obtain preliminarily dehydrated and impurity-removed methyl siloxane;
further, in the step (2), the separation is accelerated through a dense spiral feeding pipe 5 in the first purification separator 2, the first purification separator 2 is conveyed to a certain liquid level and then is kept stand for 1-3h, and the density of the methyl siloxane is 0.948t/m3And is less dense than water and therefore floats on the upper layer of the first purification separator 2, and water and most of the mechanical impurities having a particle size > 5 μm are discharged through the bottom of the first purification separator 2.
(3) Pressurizing the gas in the first purification separator 2, conveying the primarily dehydrated and impurity-removed methyl siloxane to the second purification separator 3 under pressure, accelerating the separation through the second purification separator 3, standing, and discharging water and mechanical impurities from the bottom of the second purification separator 3 to obtain the secondarily dehydrated and impurity-removed methyl siloxane;
specifically, the gas is pressurized to select a relatively common inert gas, namely nitrogen, and other inert gases can be selected according to actual needs. And (3) pressurizing the gas in the first purification separator 2 to 0.15-0.5MPa by adopting nitrogen, accelerating the separation of the methyl siloxane subjected to primary dehydration and impurity removal through a dense spiral feed pipe 5 in the second purification separator 3, standing the methyl siloxane subjected to dehydration and impurity removal in the second purification separator 3 for 3-9h, and enabling the methyl siloxane subjected to secondary dehydration and impurity removal to be free of water drops.
(4) And (3) pressurizing the gas in the second purification separator 3, conveying the methyl siloxane subjected to secondary dehydration and impurity removal to a microporous filter 4 under pressure, filtering out tiny mechanical impurities through the microporous filter 4, and conveying the methyl siloxane to a cone bottom storage tank 1 to obtain the high-purity methyl siloxane.
Sampling is carried out at a liquid outlet of the microporous filter 4 in the pressure feeding process from the microporous filter 4 to the conical bottom storage tank 1, and the methylsiloxane product is observed to be colorless and transparent without water drops and mechanical impurities.
Examples
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
Example 1:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. And after the first purification separator 2 is kept stand for 3 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.5MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. Standing for 3 hours, dewatering and removing impurities, then sampling at a liquid outlet of the second purification separator 3, and observing whether water drops exist in the sample. And pressurizing the second purification separator 3 to 0.2MPa, conveying the secondarily dehydrated and impurity-removed methyl siloxane to the microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the impurities to the conical bottom storage tank 1, completing the impurity removal and dehydration process, sampling at a liquid outlet of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
Example 2:
and (3) placing the methyl siloxane raw material in a cone bottom storage tank 1, mixing for 4 hours, standing for 8 hours, and then feeding into a first purification separator. And after the first purification separator 2 is kept stand for 2 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.5MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. And after the dehydration and impurity removal are finished, sampling at a liquid discharge port of the second purification separator 3, and standing the sample for 3 hours to observe whether water drops exist in the sample. And pressurizing the second purification separator 3 to 0.2MPa, utilizing nitrogen to press and convey the secondary dehydration impurity-removal methyl siloxane to the microporous filter 4, removing impurities with the particle size of less than 1 mu m, and then pressing and conveying the impurities to the conical bottom storage tank 1 to finish the impurity removal and dehydration process, sampling at a liquid outlet of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
Example 3:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. After the first purification separator 2 is kept stand for 2 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.3MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. And after the dehydration and impurity removal are finished, sampling at a liquid discharge port of the second purification separator 3, and standing the sample for 3 hours to observe whether water drops exist in the sample. And pressurizing the second purification separator 3 to 0.2MPa, conveying the secondarily dehydrated and impurity-removed methyl siloxane to the microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the impurities to the conical bottom storage tank 1, completing the impurity removal and dehydration process, sampling at a liquid outlet of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
Example 4:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. After the first purification separator 2 is kept stand for 2 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.2MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. And after the dehydration and impurity removal are finished, sampling at a liquid discharge port of the second purification separator 3, and standing the sample for 3 hours to observe whether water drops exist in the sample. And pressurizing the second purification separator 3 to 0.2MPa, conveying the secondarily dehydrated and impurity-removed methyl siloxane to a microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the impurities to a conical bottom storage tank 1, completing the impurity removal and dehydration process, sampling at a discharge port of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
Example 5:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. And after the first purification separator 2 is kept stand for 2 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.15MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary impurity removal and dehydration. And sampling at a liquid outlet of the second purification separator 3 after the dehydration and impurity removal are finished. Because the second purification separator 3 is low in pressurizing pressure, the liquid flow rate is low in the process of pressing the material into the second purification separator 3, the moisture is not fully whirled and separated from the methyl chlorosilane, and a sample contains a small amount of water drops. And (4) continuously standing for 6 hours, draining, and sampling and analyzing the sample in the second purification separator 3 without water drops. And pressurizing the second purification separator 3 to 0.2MPa, conveying the methyl siloxane subjected to secondary impurity removal and dehydration to a microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the mixture to a conical bottom storage tank, completing the impurity removal and dehydration process, sampling at a discharge port of the microporous filter 4 in the pressure conveying process, and observing the methyl siloxane product to be colorless and transparent, and have no water drops and mechanical impurities.
Example 6:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. After the first purification separator 2 is kept stand for 2 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.2MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. And after the dehydration and impurity removal, sampling at a liquid discharge port of the second purification separator 3, and standing the sample for 3 hours to observe that the sample has no water drops. And pressurizing the second purification separator 3 to 0.2MPa, conveying the secondarily dehydrated and impurity-removed methyl siloxane to the microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the impurities to the conical bottom storage tank 1, completing the impurity removal and dehydration process, sampling at a liquid outlet of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
Example 7:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. And after the first purification separator 2 is kept stand for 1h, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.2MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. Standing for 3 hours, sampling at a liquid outlet of the second purification separator 3 after the dehydration and impurity removal, and sampling and analyzing the sample in the second purification separator 3 because the standing time of the first purification separator 2 is too short, wherein the sample contains a small amount of water drops. And (5) continuously standing for 6 hours, draining water and removing impurities, and observing whether water drops exist in the sample. And pressurizing the second purification separator 3 to 0.2MPa, conveying the secondarily dehydrated and impurity-removed methyl siloxane to the microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the impurities to the conical bottom storage tank 1, completing the impurity removal and dehydration process, sampling at a liquid outlet of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
Example 8:
and (3) placing the methylsiloxane raw material in a cone-bottom storage tank 1 for mixing for 4 hours, standing for 8 hours, and feeding into the first purification separator 2. After the first purification separator 2 is kept stand for 2 hours, discharging water from the bottom of the first purification separator 2, pressurizing the first purification separator 2 by 0.2MPa, pressing the second purification separator 3 after the pressurization is finished, and performing secondary dehydration and impurity removal. Standing for 3 hours, dewatering and removing impurities, sampling at a liquid outlet of the second purification separator 3, and observing whether the sample has water drops. And pressurizing the second purification separator 3 to 0.15MPa, conveying the secondarily dehydrated and impurity-removed methyl siloxane to the microporous filter 4 by using nitrogen, removing impurities with the particle size of less than 1 mu m, conveying the impurities to the conical bottom storage tank 1, completing the impurity removal and dehydration process, sampling at a liquid outlet of the microporous filter 4 in the pressure conveying process, and observing the colorless and transparent methyl siloxane product without water drops and mechanical impurities.
It should be apparent that the above-described embodiments are only some, not all embodiments of the present invention. Based on the embodiment of the utility model discloses the other all embodiments that the technical staff in this field obtained under the condition of not paying out creative work, or the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into within the protection scope of the utility model.
Claims (5)
1. A methyl siloxane dewatering and impurity removing device is characterized by comprising: the cone bottom storage tank is used for mixing and standing a methyl siloxane raw material; the first purification separator is used for primary dehydration and impurity removal; the second purification separator is used for secondary dehydration and impurity removal; and a microporous filter for filtering mechanical impurities; the discharge gate of awl end storage tank with the feed inlet of first purification separator passes through siphon structure pipe connection, the discharge gate of first purification separator with the feed inlet of second purification separator passes through pipe connection, the discharge gate of second purification separator with microporous filter's feed inlet passes through pipe connection, microporous filter's discharge gate with the awl end storage tank passes through pipe connection.
2. The methyl siloxane dewatering and impurity removing apparatus of claim 1, wherein the first and second purification separators have a dense screw-type feed pipe disposed therein.
3. The methyl siloxane dewatering and impurity removing device according to claim 2, wherein the first purifying separator and the second purifying separator are provided with sight glasses for dewatering and impurity removing according to layering of methyl siloxane and water.
4. The methyl siloxane dewatering and impurity removing device according to any one of claims 1-3, wherein gas pressurizing ports are formed in the first purifying separator and the second purifying separator.
5. The methylsiloxane dewatering and impurity removing equipment according to any one of claims 1-3, wherein the first purifying separator, the second purifying separator and the microporous filter are provided with liquid outlets at the bottoms.
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| CN202020909551.0U CN212383333U (en) | 2020-05-26 | 2020-05-26 | Methyl siloxane dehydration and impurity removal equipment |
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| CN202020909551.0U CN212383333U (en) | 2020-05-26 | 2020-05-26 | Methyl siloxane dehydration and impurity removal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467873A (en) * | 2020-05-26 | 2020-07-31 | 唐山三友硅业有限责任公司 | Methylsiloxane dewatering and impurity removing process and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467873A (en) * | 2020-05-26 | 2020-07-31 | 唐山三友硅业有限责任公司 | Methylsiloxane dewatering and impurity removing process and device |
| CN111467873B (en) * | 2020-05-26 | 2024-05-24 | 唐山三友硅业股份有限公司 | Methyl siloxane dehydration and impurity removal process and equipment |
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Address after: 063305 Nanpu Development Zone, Hebei, Tangshan City Patentee after: Tangshan Sanyou Silicon Industry Co.,Ltd. Address before: 063305 Nanpu Development Zone, Hebei, Tangshan City Patentee before: SANYOU SILICON INDUSTRY Co.,Ltd. |